26839940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78941}}^1$

素因数の和:78967

約数の個数: 24

約数和(自身を含む): 59680152

約数和(自身を除く): 32840212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 78941, 157882, 315764, 394705, 789410, 1341997, 1578820, 2683994, 5367988, 6709985, 13419970, 26839940]

約数ペア:

[(1, 26839940), (2, 13419970), (4, 6709985), (5, 5367988), (10, 2683994), (17, 1578820), (20, 1341997), (34, 789410), (68, 394705), (85, 315764), (170, 157882), (340, 78941)]